@due(date)

script

// Insert @due(date)

var d = new Date();

// Insert @due tag for use with taskpaper
// If no text is selected, inserts the "@due()" tag and prompts for a date to insert between the parentheses.
// If text is selected, inserts the "@due()" tag with the selected text inbetween the parentheses.
var sel = editor.getSelectedText();
var selRange = editor.getSelectedRange();
if (!sel || sel.length == 0) {
// Prompt for date
  var p = Prompt.create();
  p.title = "Pick a due date";
  p.addDatePicker("date", "Date", d, {"mode": "date"});
  p.addButton("OK");
  if (p.show()) {
    var s = p.fieldValues["date"];
    s = s.toString("yyyy-MM-dd")
    var e = "@due("+s+")";
    editor.setSelectedText(e);
    editor.setSelectedRange(selRange[0]+e.length,0);
    editor.focus();
  }
  else {
    context.cancel();
  }
}
else {
  editor.setSelectedText("@due("+sel+")");
  editor.setSelectedRange(selRange[0]+sel.length+6,0);
  editor.focus();
}